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Ultrasonic flowmeter JYLLJ-50-200
1、 Overview: Ultrasonic flowmeter adopts the time difference method to measure flow rate. The propagation speed of sound waves is different in forward
Product details
I. Overview
The ultrasonic flowmeter adopts the time difference method to measure the flow rate. The propagation speed of sound waves is different in forward and backward flow, so the running time of ultrasonic signals emitted by different transducers in the liquid is different. By measuring the difference in this time, the flow velocity of the fluid can be calculated. Then, based on the cross-sectional area of the measured body, the instantaneous flow rate and cumulative flow rate of the meter can be calculated through the calculation chip on the integrator, thus achieving the measurement of the liquid.
2、 Product Features
l Multiple alarm functions: battery undervoltage alarm, empty pipe water alarm, reverse flow alarm, over range alarm, transducer fault alarm, etc.
l High definition wide temperature typeLCD display.
l One lithium battery can ensure usageMore than 6 years.
l Equipped with photoelectric interface, supporting handheld infrared meter reading tools for on-site reading.
l haveData recording function: automatically save the most recent data24 months of historical data, including daily cumulative traffic for 1 month, monthly cumulative traffic for 24 months, and corresponding time.
3、 Technical parameters
|
Inner diameter (mm) |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
|
Qmin（m³/h） |
1.5 |
2.5 |
4 |
6.25 |
10 |
15 |
20 |
|
Qmax（m³/h） |
30 |
50 |
80 |
125 |
200 |
300 |
400 |
|
Accumulated volume resolution |
0.01m3 |
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Current traffic resolution |
0.01 m3/h |
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Static working current |
< 6uA |
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Battery lifespan |
>(6+1) years |
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LCD display number of digits |
8 digits |
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Maximum cumulative working time |
h |
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Maximum cumulative traffic |
999999.99 m³ |
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Working temperature level |
T30 |
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Work pressure level |
MAP10 |
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pressure loss |
△p40 |
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Environmental Severity Level |
A-level |
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Protection level |
IP68 |
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accuracy class |
Level 1.0, Level 1.5, Level 2.0 |
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Electromagnetic environmental conditions |
E1 |
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Installation method |
Horizontal or vertical (downward inflow) |
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Sensitivity level of upstream flow field |
U10 |
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Sensitivity level of downstream flow field |
D5 |
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|
reverse flow |
Unmeasurable reverse flow |
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IIOverall dimensions
|
nominal diameter |
length |
width |
height |
Installation method |
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flange connection |
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outer diameter of flange |
Diameter of bolt hole center circle |
connecting bolt |
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|
DN（mm） |
mm |
mm |
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|
50 |
200 |
152 |
335 |
165 |
125 |
4-M16 |
||
|
65 |
200 |
152 |
350 |
180 |
145 |
4-M16 |
||
|
80 |
225 |
185 |
390 |
200 |
160 |
8-M16 |
||
|
100 |
250 |
205 |
400 |
220 |
180 |
8-M16 |
||
|
125 |
250 |
270 |
455 |
250 |
210 |
8-M16 |
||
|
150 |
300 |
285 |
485 |
285 |
240 |
8-M20 |
||
|
200 |
350 |
330 |
540 |
340 |
295 |
8-M20 |
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